feat: implement multiline toast notification for new incoming emails

app/Livewire/Mailbox.php

@@ -101,6 +101,14 @@ class Mailbox extends Component
 
     public function onNewEmail(array $eventData): void
     {
+        $sender = ($eventData['sender_name'] ?? null) ?: ($eventData['sender_email'] ?? 'Unknown');
+        $subject = ($eventData['subject'] ?? null) ?: '(No Subject)';
+
+        $this->dispatch('notify', 
+            message: "Sender: {$sender}\nSubject: {$subject}", 
+            type: 'info'
+        );
+
         // Simply refresh the list to pick up the new email from MariaDB
         // Since we order by received_at DESC, it will appear on top.
         $this->dispatch('$refresh');

resources/views/components/layouts/app.blade.php

@@ -81,7 +81,7 @@
 
                     <div class="flex-1 min-w-0">
                         <div class="text-[10px] font-black uppercase tracking-[0.2em] opacity-40 mb-0.5" x-text="toast.type"></div>
-                        <div class="text-[11px] font-bold tracking-wide" x-text="toast.msg"></div>
+                        <div class="text-[11px] font-bold tracking-wide whitespace-pre-wrap" x-text="toast.msg"></div>
                     </div>
 
                     <button @click="toasts = toasts.filter(t => t.id !== toast.id)"